77513382 has 32 divisors (see below), whose sum is σ = 173093760. Its totient is φ = 25711560.

The previous prime is 77513377. The next prime is 77513383. The reversal of 77513382 is 28331577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77513383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7993 + ... + 14795.

It is an arithmetic number, because the mean of its divisors is an integer number (5409180).

Almost surely, 2^77513382 is an apocalyptic number.

77513382 is an abundant number, since it is smaller than the sum of its proper divisors (95580378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77513382 is a wasteful number, since it uses less digits than its factorization.

77513382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025 (or 7019 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 77513382 is about 8804.1684445494. The cubic root of 77513382 is about 426.3754872288.

The spelling of 77513382 in words is "seventy-seven million, five hundred thirteen thousand, three hundred eighty-two".